$(function() {
	var startTime = new Date().getTime();
	multiCon(100);
	var endTime = new Date().getTime();
	var useTime = endTime - startTime;
	console.log(useTime);

	var addMsg = function() {
		$('#input').val('test for concurrency by quatities of http (ajax) request!');
		$('#submit').click();
	}

	var multiCon = function (times) {
	for (var i = 0; i < times; i++) {
		setTimeout(addMsg,10);
	}
}
})